ANNETTE IRAZEMA CASTILLO
NPI 1396479366
Marriage & Family Therapist in Santa Ana, CA
About Annette Irazema Castillo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNETTE IRAZEMA CASTILLO (NPI 1396479366) is an individual marriage & family therapist in Santa Ana, California, licensed in California (163265) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Annette Irazema Castillo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Annette Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92701
SANTA ANA, CA 92701
SANTA ANA, CA 92701
SANTA ANA, CA 92701
SANTA ANA, CA 92701
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Annette Castillo's NPI number?
The NPI number for Annette Castillo is 1396479366. It was assigned to this individual provider in the NPPES registry on July 14, 2022.
Where is Annette Castillo located?
Annette Castillo practices at 200 W Santa Ana Blvd Ste 100, Santa Ana, CA 92701. The listed phone number is (714) 480-6660.
What is Annette Castillo's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Annette Castillo enrolled in Medicare?
Yes. Annette Castillo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Annette Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annette Castillo reassigns Medicare benefits to County Of Orange (Santa Ana, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annette Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Annette Castillo was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Annette Irazema Castillo · NPI 1396479366
Marriage & Family Therapist provider in Santa Ana, California. Individual provider, active in the CMS NPPES registry since July 14, 2022.
## Identity
- **NPI:** 1396479366 (Entity type: Individual)
- **Enumerated:** July 14, 2022
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 163265 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W SANTA ANA BLVD STE 100, Santa Ana, CA 92701-4134
- **Phone:** (714) 480-6660
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** County Of Orange (NPI 1518080217, Santa Ana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396479366) · Data from the CMS NPPES public registry.